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THOMAS A. LYLE, OF PITTSBURG, PENNSYLVANIA.

Letters Patent No. 91,646, dated .Tune 22, 1869.

IMPROVEI? FAN-ATTACHMENT FOR SEWING-MACHINES.

The Schedulereferrd to in these Letters Patent and making part of thesame.

To all wheat it may concern Be it known that I, THOMAS A. LYLE, ofPittsburg, in the county of Allegheny, and- State. of Pennsylvania, haveinvented a new and improved Fan- Attachment for Sewing-Machines; and Ido hereby declare that the following is a full, clear, and exactdescription thereof', which will enable others skilled in the artto makeand use the same, reference being had to the accompanying thawing,forming part of this specitiea-tion.

The object of this invention is to provide fan-attachments for theneedle-arms of sewing-machines, whereby the vibrating motion of lthesaid arms may be utilized to operate the-said fans for the benefit ofthe person working, the machine, 0r others, as preferred.

The invention consists in combining the needle-arms of sewing-machinefans with clamping-devices suited to the needle-arms of any machine, andadapted to be readily detaehed when not wanted, or` adjusted so as notto disturb the air, or act thereon to produce a current.

Figure l of the drawing represents a needle-arm of a sewing-machine insection, with a. fan in elevation, attached by a clamp.

Figure 2 represents a side view of the same.

Similar letters of reference indicate corresponding parts.

A represents a spindle, for the connection of a tubular fan-stem, B,carrying a set-screw, for securing the two parts together.

The said spindle is provided with branchinT straps, or arms, DE, suitedin form to the form of the needlearm F, to which it isto be clamped, oneof the said arms being hinged as shown at G, and both extending belowthe needle-arm, and provided with lugs or projecting ears H, and aset-screw for clamping them tightly around the said arm.

Other means of clamping,I the said spindles to the arms may be employed,as may be preferred.

\Vhen it is not required to use the fan, it may be `readily detachedfrom the spindle, or it may be s0 adjusted thereon as not to beat theair with its sides.

Havinfcr thus described my invention,

I claim as new, and desire to secure by Letters Patent- The combination,with the needle-arm of a sewingmachine, of a fan-support, detaehablyconnected to the said arm, substantially as specified.

f THOMAS A. LYLE.

Witnesses:

J onN P. Ross, JOHN W. TAYLOR.

